Developer reported that the links under the contents section of the API reference aren't working: [Image Removed] ...
A licensee is trying to use Distribution Float Particle Parameters for the Noise properties of a Beam Particle. When trying to change these parameters in a Blueprint, some work, others don't. When ...
Shader compile error in function PositionOnlyMain() in ShadowDepthVertexShader.usf if defined INTERPOLATE_POSITION. LogShaderCompilers:Warning: 1 Shader compiler errors compiling WorldGridMaterial ...
Are Ray Ttraced Distance Field Soft Shadows supported on OpenGL ES3.1 + Android Extension Pack platforms like the Shield Tablet or Shield Console? Since the ES3.1+AEP platform supports deferred ren ...
In the project attached in original UDN post (too big to attach here) there is a tree that was created with the pivot painter tool that is animated. In the editor it behaves correctly, but trying t ...
Reimporting a skeletal mesh by dragging FBX to content browser crashes the editor. I suspect something is wrong with the FBX. The user reported that the data is from Blender. FBX file attached for ...
Developer implemented their own marker system with callstack data in their own custom version of malloc/realloc/free, and they reported that there might be a memory leak in the ClothVertexFactories ...
Licensee reported Applied Additive animation with ApplyAdditive node with MeshSpace, but Applied animation is incorrect if applying same with AnimSequence "Base Pose Type" animation to Base pin. H ...
A developer was trying to use in-app purchases on iOS, but was getting messages that the OnlineSubsystemIOS was not enabled. Turns out, enabling only in-app purchases still means the OnlineSubsyste ...
It seems that Particle CPU cost highly increase at second "show" of a streaming level. The Licensee's team sent a sample to reproduce this problem. So I put the project and wrote how to reproduce on ...